All eyes are on the upcoming jewellery sales events in the US – the Luxury and JCK shows in Las Vegas – as business slows down in other parts of the world.
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Mineral inclusions trapped in diamonds reveal the continents’ construction – and help GIA researchers date diamonds.
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DeBeers responds to fluctuations, and the FTC issues warnings on laboratory-grown diamonds. Plus: 302.37 ct Graff Lesedi La Rona is revealed.
Read MoreExamines 85 saltwater natural pearls, reportedly harvested from the Caribbean islands off the coast of Venezuela during the early 16th century, to determine their age.
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Explores an exceptional family of diamonds, referred to as “CLIPPIR” (Cullinan-like, Large, Inclusion-Poor, Pure, Irregular and Resorbed), that formed in a super-deep environment.
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Results from GIA’s recent testing of a 5.19 ct CVD synthetic diamond, the largest it has examined to date.
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Results from GIA’s recent testing of a 10.08 ct blue HPHT synthetic diamond, the largest HPHT synthetic recorded to date.
Read MoreFind out why the number of very large diamonds entering the market has increased sharply in the last few years.
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You’ve heard about the 4Cs of diamond quality (colour, clarity, cut and carat weight). But how did they become so well-known? Here’s a little diamond history.
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Big diamonds – really big ones – dominated the news in May, setting sales records for colourless and coloured beauties.
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